Deprecate FLAGS_quic_enable_arena_allocation.

net/quic/quic_arena_scoped_ptr_test.cc

 // Copyright (c) 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #include "net/quic/quic_arena_scoped_ptr.h"
 
 #include "net/quic/quic_one_block_arena.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 // #include "testing/base/public/gunit.h"
 
 namespace net {
 namespace {
 
 enum class TestParam { kFromHeap, kFromArena };
 
 struct TestObject {
   explicit TestObject(uintptr_t value) : value(value) { buffer.resize(1024); }
   uintptr_t value;
 
   // Ensure that we have a non-trivial destructor that will leak memory if it's
   // not called.
   std::vector<char> buffer;
 };
 
 class QuicArenaScopedPtrParamTest : public ::testing::TestWithParam<TestParam> {
  protected:
-  QuicArenaScopedPtrParamTest() { FLAGS_quic_enable_arena_allocation = true; }
-
   QuicArenaScopedPtr<TestObject> CreateObject(uintptr_t value) {
     QuicArenaScopedPtr<TestObject> ptr;
     switch (GetParam()) {
       case TestParam::kFromHeap:
         ptr = QuicArenaScopedPtr<TestObject>(new TestObject(value));
         CHECK(!ptr.is_from_arena());
         break;
       case TestParam::kFromArena:
         ptr = arena_.New<TestObject>(value);
         CHECK(ptr.is_from_arena());
         break;
     }
     return ptr;
   }
 
  private:
   QuicOneBlockArena<1024> arena_;
 };
 
 INSTANTIATE_TEST_CASE_P(QuicArenaScopedPtrParamTest,
                         QuicArenaScopedPtrParamTest,
                         testing::Values(TestParam::kFromHeap,
                                         TestParam::kFromArena));
 
 TEST(QuicArenaScopedPtrTest, NullObjects) {
-  FLAGS_quic_enable_arena_allocation = true;
   QuicArenaScopedPtr<TestObject> def;
   QuicArenaScopedPtr<TestObject> null(nullptr);
   EXPECT_EQ(def, null);
   EXPECT_EQ(def, nullptr);
   EXPECT_EQ(null, nullptr);
 }
 
 TEST(QuicArenaScopedPtrTest, FromArena) {
-  FLAGS_quic_enable_arena_allocation = true;
   QuicOneBlockArena<1024> arena_;
   EXPECT_TRUE(arena_.New<TestObject>(0).is_from_arena());
   EXPECT_FALSE(
       QuicArenaScopedPtr<TestObject>(new TestObject(0)).is_from_arena());
 }
 
 TEST_P(QuicArenaScopedPtrParamTest, Assign) {
   QuicArenaScopedPtr<TestObject> ptr = CreateObject(12345);
   ptr = CreateObject(54321);
   EXPECT_EQ(54321u, ptr->value);
@@ skipping 24 matching lines @@
 TEST_P(QuicArenaScopedPtrParamTest, Swap) {
   QuicArenaScopedPtr<TestObject> ptr1 = CreateObject(12345);
   QuicArenaScopedPtr<TestObject> ptr2 = CreateObject(54321);
   ptr1.swap(ptr2);
   EXPECT_EQ(12345u, ptr2->value);
   EXPECT_EQ(54321u, ptr1->value);
 }
 
 }  // namespace
 }  // namespace net